use std::io;
use rand::Rng;
use std::cmp::Ordering;


fn main() {
    println!("猜数！");

    let secret_number = rand::thread_rng().gen_range(1..=100);
    println!("The secret number is :{secret_number}");

    loop {
        println!("猜测一个数字：");

        let mut guess = String::new();

        io::stdin()
            .read_line(&mut guess)
            .expect("无法读取行");

        let guess: u32 = guess.trim().parse().expect("Please type a number!");



        println!("你猜测的数是：{}", guess);

        match guess.cmp(&secret_number) {
            Ordering::Less => println!("Too small!"),
            Ordering::Greater => println!("Too big!!"),
            Ordering::Equal => println!("You win!!!"),
        }

    }
}
